MLA
Foster, and Reynolds Co. Knows Where to Go Fishin' : Portrait of an African American Boy Wearing a Hat. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/8773tx960b-cor.
APA, 6th edition
F., & Co., R. Knows where to go fishin' : portrait of an African American boy wearing a hat (Box 72) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8773tx960b-cor.
Chicago
Foster, and Reynolds Co. “Knows Where to Go Fishin' : Portrait of an African American Boy Wearing a Hat.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8773tx960b-cor.